73637900131 has 2 divisors, whose sum is σ = 73637900132. Its totient is φ = 73637900130.

The previous prime is 73637900071. The next prime is 73637900153. The reversal of 73637900131 is 13100973637.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73637900131 - 2⁹ = 73637899619 is a prime.

It is a super-2 number, since 2×73637900131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73637960131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36818950065 + 36818950066.

It is an arithmetic number, because the mean of its divisors is an integer number (36818950066).

Almost surely, 2^73637900131 is an apocalyptic number.

73637900131 is a deficient number, since it is larger than the sum of its proper divisors (1).

73637900131 is an equidigital number, since it uses as much as digits as its factorization.

73637900131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 40.

The spelling of 73637900131 in words is "seventy-three billion, six hundred thirty-seven million, nine hundred thousand, one hundred thirty-one".